Finding the Fourth Proportional to 10,100.98, 13,939.23 and 5,909.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.98 : 13,939.23 = 5,909.23 : x
2. Step 2: Convert to fraction form
   10,100.98/13,939.23 = 5,909.23/x
3. Step 3: Cross multiply
   10,100.98x = 13,939.23 × 5,909.23
4. Step 4: Simplify right side
   10,100.98x = 82,370,116.09
5. Step 5: Solve for x
   x = 82,370,116.09/10,100.98
6. Step 6: Final answer
   x = 8,154.67